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        <a href="pyprocessing-module.html">Package&nbsp;pyprocessing</a> ::
        Module&nbsp;config
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<h1 class="epydoc">Source Code for <a href="pyprocessing.config-module.html">Module pyprocessing.config</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt>  <tt class="py-line"><tt class="py-docstring">Holds system wide configuration options.</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt>  <tt class="py-line"> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Module pyprocessing.constants=pyprocessing.constants-module.html"><a title="pyprocessing.constants" class="py-name" href="#" onclick="return doclink('link-0', 'constants', 'link-0');">constants</a></tt> <tt class="py-keyword">import</tt> <tt class="py-op">*</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt>  <tt class="py-line"> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt>  <tt class="py-line"> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt>  <tt class="py-line"><tt class="py-string">""""The preferences below are used as defaults if none of the configuration</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt>  <tt class="py-line"><tt class="py-string">files exist. Being defaults, they have the lowest priority of the importing</tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt>  <tt class="py-line"><tt class="py-string">procedure."""</tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt>  <tt class="py-line"> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt>  <tt class="py-line"><tt class="py-comment"># Whether or not to try to obtain an OpenGL context supporting multisampling.</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># This usually produces nicer results but is unsupported in older hardware.</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Even if this is set to false, however, pyprocessing will fallback to </tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># a non-multisampled config if it is not supported.</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt id="link-1" class="py-name" targets="Variable pyprocessing.config.multisample=pyprocessing.config-module.html#multisample"><a title="pyprocessing.config.multisample" class="py-name" href="#" onclick="return doclink('link-1', 'multisample', 'link-1');">multisample</a></tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt>  <tt class="py-line"> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt>  <tt class="py-line"><tt class="py-comment"># Whether or not to invert the y axis. This is required for strict conformity</tt> </tt>
<a name="L20"></a><tt class="py-lineno">20</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># with Processing. Beyond altering the modelview matrix, this also implies that</tt> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># the drawing of some primitives such as arc or text be modified.</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt id="link-2" class="py-name" targets="Variable pyprocessing.config.coordInversionHack=pyprocessing.config-module.html#coordInversionHack"><a title="pyprocessing.config.coordInversionHack" class="py-name" href="#" onclick="return doclink('link-2', 'coordInversionHack', 'link-2');">coordInversionHack</a></tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt>  </tt>
<a name="L23"></a><tt class="py-lineno">23</tt>  <tt class="py-line"> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt>  <tt class="py-line"><tt class="py-comment"># Since OpenGL actually addresses lines between pixels, in some cases </tt> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># shifting the drawing by half a pixel makes lines sharper. </tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt id="link-3" class="py-name" targets="Variable pyprocessing.config.halfPixelShiftHack=pyprocessing.config-module.html#halfPixelShiftHack"><a title="pyprocessing.config.halfPixelShiftHack" class="py-name" href="#" onclick="return doclink('link-3', 'halfPixelShiftHack', 'link-3');">halfPixelShiftHack</a></tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> <tt class="py-comment"># off by default</tt> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt>  <tt class="py-line"> </tt>
<a name="L28"></a><tt class="py-lineno">28</tt>  <tt class="py-line"><tt class="py-comment"># try to get around the artifacts when drawing filled polygons in smooth mode</tt> </tt>
<a name="L29"></a><tt class="py-lineno">29</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt id="link-4" class="py-name" targets="Variable pyprocessing.config.smoothFixHack=pyprocessing.config-module.html#smoothFixHack"><a title="pyprocessing.config.smoothFixHack" class="py-name" href="#" onclick="return doclink('link-4', 'smoothFixHack', 'link-4');">smoothFixHack</a></tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> <tt class="py-comment"># off by default </tt> </tt>
<a name="L30"></a><tt class="py-lineno">30</tt>  <tt class="py-line"><tt id="link-5" class="py-name" targets="Variable pyprocessing.config.smoothTurnedOn=pyprocessing.config-module.html#smoothTurnedOn"><a title="pyprocessing.config.smoothTurnedOn" class="py-name" href="#" onclick="return doclink('link-5', 'smoothTurnedOn', 'link-5');">smoothTurnedOn</a></tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> <tt class="py-comment"># Used internally to tell whether smooth was on</tt> </tt>
<a name="L31"></a><tt class="py-lineno">31</tt>  <tt class="py-line"> </tt>
<a name="L32"></a><tt class="py-lineno">32</tt>  <tt class="py-line"><tt class="py-comment"># flipping policy: uncomment only one of the assignments below</tt> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># flipPolicy = DOUBLE_FLIP_POLICY # this should work for modern boards/drivers</tt> </tt>
<a name="L34"></a><tt class="py-lineno">34</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># flipPolicy = SINGLE_FLIP_POLICY # use this for Intel 945 under Windows or other cheap boards</tt> </tt>
<a name="L35"></a><tt class="py-lineno">35</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># flipPolicy = FBO_FLIP_POLICY # use this for modern boards/drivers where flip uses swap and not copy</tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># flipPolicy = ACCUM_FLIP_POLICY # use this for cheap boards where 'SINGLE' produces too much flickering</tt> </tt>
<a name="L37"></a><tt class="py-lineno">37</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt id="link-6" class="py-name" targets="Variable pyprocessing.config.flipPolicy=pyprocessing.config-module.html#flipPolicy"><a title="pyprocessing.config.flipPolicy" class="py-name" href="#" onclick="return doclink('link-6', 'flipPolicy', 'link-6');">flipPolicy</a></tt> <tt class="py-op">=</tt> <tt id="link-7" class="py-name" targets="Variable pyprocessing.constants.BACKUP_FLIP_POLICY=pyprocessing.constants-module.html#BACKUP_FLIP_POLICY,Variable pyprocessing.lights'.BACKUP_FLIP_POLICY=pyprocessing.lights%27-module.html#BACKUP_FLIP_POLICY"><a title="pyprocessing.constants.BACKUP_FLIP_POLICY
pyprocessing.lights'.BACKUP_FLIP_POLICY" class="py-name" href="#" onclick="return doclink('link-7', 'BACKUP_FLIP_POLICY', 'link-7');">BACKUP_FLIP_POLICY</a></tt> <tt class="py-comment"># this is the default and should work on all boards</tt> </tt>
<a name="L38"></a><tt class="py-lineno">38</tt>  <tt class="py-line"> </tt>
<a name="L39"></a><tt class="py-lineno">39</tt>  <tt class="py-line"> </tt>
<a name="L40"></a><tt class="py-lineno">40</tt>  <tt class="py-line"> </tt>
<a name="L41"></a><tt class="py-lineno">41</tt>  <tt class="py-line"> </tt>
<a name="L42"></a><tt class="py-lineno">42</tt>  <tt class="py-line"><tt class="py-string">"""Tries to import the global preferences from the globalconfig.txt file</tt> </tt>
<a name="L43"></a><tt class="py-lineno">43</tt>  <tt class="py-line"><tt class="py-string">located inside the pyprocessing installation folder. These preferences</tt> </tt>
<a name="L44"></a><tt class="py-lineno">44</tt>  <tt class="py-line"><tt class="py-string">have higher priority than defaults, but will be overriden by the user</tt> </tt>
<a name="L45"></a><tt class="py-lineno">45</tt>  <tt class="py-line"><tt class="py-string">preferences if they exist."""</tt> </tt>
<a name="L46"></a><tt class="py-lineno">46</tt>  <tt class="py-line"> </tt>
<a name="L47"></a><tt class="py-lineno">47</tt>  <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L48"></a><tt class="py-lineno">48</tt>  <tt class="py-line">    <tt id="link-8" class="py-name" targets="Variable pyprocessing.config.f=pyprocessing.config-module.html#f"><a title="pyprocessing.config.f" class="py-name" href="#" onclick="return doclink('link-8', 'f', 'link-8');">f</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">dirname</tt><tt class="py-op">(</tt><tt class="py-name">__file__</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-string">"/globalconfig.txt"</tt><tt class="py-op">,</tt><tt class="py-string">"r"</tt><tt class="py-op">)</tt> </tt>
<a name="L49"></a><tt class="py-lineno">49</tt>  <tt class="py-line">    <tt id="link-9" class="py-name" targets="Variable pyprocessing.config.contents=pyprocessing.config-module.html#contents"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-9', 'contents', 'link-9');">contents</a></tt> <tt class="py-op">=</tt> <tt id="link-10" class="py-name"><a title="pyprocessing.config.f" class="py-name" href="#" onclick="return doclink('link-10', 'f', 'link-8');">f</a></tt><tt class="py-op">.</tt><tt class="py-name">read</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L50"></a><tt class="py-lineno">50</tt>  <tt class="py-line">    <tt id="link-11" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-11', 'contents', 'link-9');">contents</a></tt> <tt class="py-op">=</tt> <tt id="link-12" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-12', 'contents', 'link-9');">contents</a></tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">"\n"</tt><tt class="py-op">)</tt> </tt>
<a name="L51"></a><tt class="py-lineno">51</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt id="link-13" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-13', 'contents', 'link-9');">contents</a></tt><tt class="py-op">:</tt> </tt>
<a name="L52"></a><tt class="py-lineno">52</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">i</tt> <tt class="py-op">!=</tt> <tt class="py-string">""</tt><tt class="py-op">:</tt> <tt class="py-name">vars</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">":"</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">eval</tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">":"</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L53"></a><tt class="py-lineno">53</tt>  <tt class="py-line"><tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L54"></a><tt class="py-lineno">54</tt>  <tt class="py-line">    <tt class="py-name">None</tt> </tt>
<a name="L55"></a><tt class="py-lineno">55</tt>  <tt class="py-line"> </tt>
<a name="L56"></a><tt class="py-lineno">56</tt>  <tt class="py-line"> </tt>
<a name="L57"></a><tt class="py-lineno">57</tt>  <tt class="py-line"> </tt>
<a name="L58"></a><tt class="py-lineno">58</tt>  <tt class="py-line"> </tt>
<a name="L59"></a><tt class="py-lineno">59</tt>  <tt class="py-line"><tt class="py-string">"""Loads the user configuration preferences from the userconfig.txt file situated</tt> </tt>
<a name="L60"></a><tt class="py-lineno">60</tt>  <tt class="py-line"><tt class="py-string">on the user's home path. Like the global preferences, they can be changed manually</tt> </tt>
<a name="L61"></a><tt class="py-lineno">61</tt>  <tt class="py-line"><tt class="py-string">with a text editor. User preferences have the highest priority, meaning that if</tt> </tt>
<a name="L62"></a><tt class="py-lineno">62</tt>  <tt class="py-line"><tt class="py-string">the import from userconfig.txt is successful, then the global preferencesill </tt> </tt>
<a name="L63"></a><tt class="py-lineno">63</tt>  <tt class="py-line"><tt class="py-string">be overriden."""</tt> </tt>
<a name="L64"></a><tt class="py-lineno">64</tt>  <tt class="py-line"> </tt>
<a name="L65"></a><tt class="py-lineno">65</tt>  <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L66"></a><tt class="py-lineno">66</tt>  <tt class="py-line">    <tt id="link-14" class="py-name"><a title="pyprocessing.config.f" class="py-name" href="#" onclick="return doclink('link-14', 'f', 'link-8');">f</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">expanduser</tt><tt class="py-op">(</tt><tt class="py-string">"~/.pyprocessing/userconfig.txt"</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-string">"r"</tt><tt class="py-op">)</tt> </tt>
<a name="L67"></a><tt class="py-lineno">67</tt>  <tt class="py-line">    <tt id="link-15" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-15', 'contents', 'link-9');">contents</a></tt> <tt class="py-op">=</tt> <tt id="link-16" class="py-name"><a title="pyprocessing.config.f" class="py-name" href="#" onclick="return doclink('link-16', 'f', 'link-8');">f</a></tt><tt class="py-op">.</tt><tt class="py-name">read</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L68"></a><tt class="py-lineno">68</tt>  <tt class="py-line">    <tt id="link-17" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-17', 'contents', 'link-9');">contents</a></tt> <tt class="py-op">=</tt> <tt id="link-18" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-18', 'contents', 'link-9');">contents</a></tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">"\n"</tt><tt class="py-op">)</tt> </tt>
<a name="L69"></a><tt class="py-lineno">69</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt id="link-19" class="py-name"><a title="pyprocessing.config.contents" class="py-name" href="#" onclick="return doclink('link-19', 'contents', 'link-9');">contents</a></tt><tt class="py-op">:</tt> </tt>
<a name="L70"></a><tt class="py-lineno">70</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">i</tt> <tt class="py-op">!=</tt> <tt class="py-string">""</tt><tt class="py-op">:</tt> <tt class="py-name">vars</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">":"</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">eval</tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">":"</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L71"></a><tt class="py-lineno">71</tt>  <tt class="py-line"><tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L72"></a><tt class="py-lineno">72</tt>  <tt class="py-line">    <tt class="py-name">None</tt> </tt>
<a name="L73"></a><tt class="py-lineno">73</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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